MOVO - WMX-7 VHF 12-Channel Wireless Lavalier Microphone System Compatible with DSLR Cameras, Camcorders, Smartphones

System Specs Modulation: DQPSK Frequency Range: VHF 204-215MHz Frequency Response: 40Hz-18 KHz+/-3 dB Audio input: 3.5mm TRS Power supply: Two AA batteries (up to 5 hours of run-time) Transmitter/Receiver Dimensions (each): 4" x 2.4" x 1.8" (102 x 62 x 45mm) Weight (each): 80g (2.8 oz) without batteries Lav Mic Specs Polar pattern: Omni-directional Connector: 3.5mm TRS Cable Length: 1.2m (4')